5L40E. Direct Drum Bushings. Part # 98409-1 and –2. And 98325 Install Tool.
The direct drum from the 5L40E has two bushings in the support tube. On most ...
5L40E Direct Drum Bushings Part # 98409-1 and –2 And 98325 Install Tool
This front bushing has 2 rings.
The direct drum from the 5L40E has two bushings in the support tube. On most applications both bushings are the same I.D., but different O.D. The smaller one, 98409-1 has a single identification ring on the outside of the bushing and must be installed first. The two ring bushing is installed last. Some of the 5L40E transmissions used in the BMW use two of the smaller 98409-1 bushing with a single ID ring. If you try to install the 2 ring bushing in the front location it will install with much difficulty, and the shaft will not go through the bushing because it has been compressed too much. The diameter of the area designated by the arrow in Figure #1 is 1.024 for the BMW direct drum. The more common 5L40E drum diameter will be .966 and the instruction for installing one bushing first and then the other will apply. Do not attempt to remove a bronze bushing and re-install it. The bushing will compress at installation and will fail if removed and reinserted. Your feedback is welcome on all our products!
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